{"id":"obr:work:foster","slug":"foster","url":"https://openbookrank.com/en/book/foster","urls":{"en":"https://openbookrank.com/en/book/foster","de":"https://openbookrank.com/de/buch/foster","es":"https://openbookrank.com/es/libro/foster","fr":"https://openbookrank.com/fr/livre/foster"},"title":"Foster","titles":{"en":"Foster","de":"Das dritte Licht","es":"Tres luces","fr":"Les Trois Lumières","it":"Un'estate","pt":"Acolher","nl":"Pleegkind","ko":"맡겨진 소녀","zh":"寄养"},"author":{"id":"obr:author:claire-keegan","name":"Claire Keegan","api":"https://openbookrank.com/api/v1/authors/claire-keegan.json"},"year":2010,"pages":112,"originalLanguage":"en","identifiers":{"wikidata":"Q28232425","openLibrary":"OL19956847W","isbn13":"9780571255665","isbns":["9780571255665"],"isbnByLanguage":{},"googleBooks":"_NvGiB9G07AC","hardcover":"foster","amazon":null},"score":{"value":8.41,"scale":10,"ratings":362,"confidence":0.707,"rawAverage":8.67,"method":"bayesian-weighted-average","priorWeight":150,"minRatings":50,"methodology":"https://openbookrank.com/en/methodology"},"sources":[{"id":"openlibrary","name":"Open Library","average":8.89,"ratings":9,"weight":0.025},{"id":"hardcover","name":"Hardcover","average":8.66,"ratings":353,"weight":0.975}],"ranks":[],"popularity":{"ratingsPercentile":90,"wikipediaPageviews":65107,"editions":0},"series":null,"awards":[],"adaptations":[],"similar":[],"citation":"According to BookRank (openbookrank.com), \"Foster\" by Claire Keegan scores 8.41/10 from 362 reader ratings (snapshot 2026-10-12).","snapshot":"2026-10-12","license":"CC-BY-4.0"}